From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 20 Apr 2019 22:25:23 +0000 (+0100)
Subject: remove unused unit test
X-Git-Tag: ls180-24jan2020~1202
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3285f405506d0f89bf4928e2cae687ca3d2f7e76;p=ieee754fpu.git

remove unused unit test
---

diff --git a/src/add/test_outmux_pipe.py b/src/add/test_outmux_pipe.py
index 9f420f07..cb91abe4 100644
--- a/src/add/test_outmux_pipe.py
+++ b/src/add/test_outmux_pipe.py
@@ -43,101 +43,6 @@ class PassThroughPipe(PassThroughHandshake):
         PassThroughHandshake.__init__(self, PassThroughDataStage())
 
 
-
-
-def testbench(dut):
-    stb = yield dut.out_op.stb
-    assert stb == 0
-    ack = yield dut.out_op.ack
-    assert ack == 0
-
-    # set row 1 input 0
-    yield dut.rs[1].in_op[0].eq(5)
-    yield dut.rs[1].stb.eq(0b01) # strobe indicate 1st op ready
-    #yield dut.rs[1].ack.eq(1)
-    yield
-
-    # check row 1 output (should be inactive)
-    decode = yield dut.rs[1].out_decode
-    assert decode == 0
-    if False:
-        op0 = yield dut.rs[1].out_op[0]
-        op1 = yield dut.rs[1].out_op[1]
-        assert op0 == 0 and op1 == 0
-
-    # output should be inactive
-    out_stb = yield dut.out_op.stb
-    assert out_stb == 1
-
-    # set row 0 input 1
-    yield dut.rs[1].in_op[1].eq(6)
-    yield dut.rs[1].stb.eq(0b11) # strobe indicate both ops ready
-
-    # set acknowledgement of output... takes 1 cycle to respond
-    yield dut.out_op.ack.eq(1)
-    yield
-    yield dut.out_op.ack.eq(0) # clear ack on output
-    yield dut.rs[1].stb.eq(0) # clear row 1 strobe
-
-    # output strobe should be active, MID should be 0 until "ack" is set...
-    out_stb = yield dut.out_op.stb
-    assert out_stb == 1
-    out_mid = yield dut.mid
-    assert out_mid == 0
-
-    # ... and output should not yet be passed through either
-    op0 = yield dut.out_op.v[0]
-    op1 = yield dut.out_op.v[1]
-    assert op0 == 0 and op1 == 0
-
-    # wait for out_op.ack to activate...
-    yield dut.rs[1].stb.eq(0b00) # set row 1 strobes to zero
-    yield
-
-    # *now* output should be passed through
-    op0 = yield dut.out_op.v[0]
-    op1 = yield dut.out_op.v[1]
-    assert op0 == 5 and op1 == 6
-
-    # set row 2 input
-    yield dut.rs[2].in_op[0].eq(3)
-    yield dut.rs[2].in_op[1].eq(4)
-    yield dut.rs[2].stb.eq(0b11) # strobe indicate 1st op ready
-    yield dut.out_op.ack.eq(1) # set output ack
-    yield
-    yield dut.rs[2].stb.eq(0) # clear row 2 strobe
-    yield dut.out_op.ack.eq(0) # set output ack
-    yield
-    op0 = yield dut.out_op.v[0]
-    op1 = yield dut.out_op.v[1]
-    assert op0 == 3 and op1 == 4, "op0 %d op1 %d" % (op0, op1)
-    out_mid = yield dut.mid
-    assert out_mid == 2
-
-    # set row 0 and 3 input
-    yield dut.rs[0].in_op[0].eq(9)
-    yield dut.rs[0].in_op[1].eq(8)
-    yield dut.rs[0].stb.eq(0b11) # strobe indicate 1st op ready
-    yield dut.rs[3].in_op[0].eq(1)
-    yield dut.rs[3].in_op[1].eq(2)
-    yield dut.rs[3].stb.eq(0b11) # strobe indicate 1st op ready
-
-    # set acknowledgement of output... takes 1 cycle to respond
-    yield dut.out_op.ack.eq(1)
-    yield
-    yield dut.rs[0].stb.eq(0) # clear row 1 strobe
-    yield
-    out_mid = yield dut.mid
-    assert out_mid == 0, "out mid %d" % out_mid
-
-    yield
-    yield dut.rs[3].stb.eq(0) # clear row 1 strobe
-    yield dut.out_op.ack.eq(0) # clear ack on output
-    yield
-    out_mid = yield dut.mid
-    assert out_mid == 3, "out mid %d" % out_mid
-
-
 class OutputTest:
     def __init__(self, dut):
         self.dut = dut
@@ -248,7 +153,6 @@ if __name__ == '__main__':
     vl = rtlil.convert(dut, ports=dut.ports())
     with open("test_outmux_pipe.il", "w") as f:
         f.write(vl)
-    #run_simulation(dut, testbench(dut), vcd_name="test_inputgroup.vcd")
 
     test = OutputTest(dut)
     run_simulation(dut, [test.rcv(1), test.rcv(0),